Android: поймать back в EditText

TextView input = (TextView)findViewById(R.id.input);
if (input != null) {
    input.setOnEditorActionListener(this);
    input.setOnKeyListener(this);
}

public boolean onEditorAction(TextView textView, int actionId, KeyEvent keyEvent) {
    if (actionId == EditorInfo.IME_ACTION_DONE){
            // делаем свои дела
            return true;
        }
        return false;
    }
 
public boolean onKey(View view, int keyCode, KeyEvent keyEvent) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        // делаем свои дела
        return true;
    }
    return false;
}

public class EditTextEx extends EditText {
    public EditTextEx(Context context, AttributeSet attrs) {
        super(context, attrs);
    }
 
    public EditTextEx(Context context) {
        super(context);
    }
 
    public EditTextEx(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }
 
    @Override
    public boolean onKeyPreIme(int keyCode, KeyEvent event) {
        if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
            dispatchKeyEvent(event);
            return false;
        }
        return super.onKeyPreIme(keyCode, event);
    }
}